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Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
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The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
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Testing early warning and response systems through a full-scale exercise in Vietnam.

Alexey Clara1, Anh T P Dao2, Quy Tran2

  • 1Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA.

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Summary

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Keywords:
Early warning and responseFull scale exerciseVietnam

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Area of Science:

  • Public Health
  • Epidemiology
  • Health Security

Background:

  • Simulation exercises validate International Health Regulations (IHR 2005) core capacities.
  • Vietnam's Ministry of Health (MOH) conducted a full-scale exercise (FSX) in 2018.
  • The exercise simulated Middle East Respiratory Syndrome Coronavirus (MERS-CoV) to test early warning and response systems.

Purpose of the Study:

  • To evaluate Vietnam's early warning and response capabilities for high-risk public health events.
  • To assess the effectiveness of the MOH surveillance system during a simulated MERS-CoV outbreak.
  • To identify areas for improvement in national health security preparedness.

Main Methods:

  • A complex fictitious scenario of severe viral pneumonia was designed.
  • A 3-day full-scale exercise was conducted in August 2018, involving multiple administrative levels.
  • Immediate debriefings and after-action reviews were performed to gather participant feedback.

Main Results:

  • The event-based surveillance system functioned optimally across administrative levels.
  • Signal detection, reporting, triage, verification, and risk assessment were effective.
  • Challenges identified included infection control, partner coordination, and process documentation.

Conclusions:

  • Exercising surveillance capabilities in real-time scenarios is crucial for emergency preparedness.
  • The FSX highlighted the value of preparedness, especially given the subsequent COVID-19 pandemic.
  • Improvements made by the MOH post-exercise likely enhanced Vietnam's response to SARS-CoV-2.